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Math & Calculators

Percentage, BMI, interest and other calculators.

Add Percentage

Add a percentage to a number.

Average Calculator

Calculate the average of a list of numbers.

BMI Calculator

Calculate your Body Mass Index.

Commission Calculator

Calculate sales commission.

Compound Interest

Calculate compound interest growth.

Decimal to Fraction

Convert a decimal to a fraction.

Digital Root

Calculate the digital root of a number.

Discount Calculator

Calculate a discounted price.

Exponential Growth

Calculate exponential growth.

Factorial

Calculate the factorial of a number.

Fibonacci

Generate the Fibonacci sequence.

Fraction Simplifier

Reduce a fraction to its simplest form.

GCD Calculator

Find the greatest common divisor.

LCM Calculator

Find the least common multiple.

Loan Calculator

Calculate monthly loan payments.

Mean Median Mode

Calculate mean, median and mode.

Moving Average

Calculate a simple moving average.

Natural Log (ln)

Calculate the natural logarithm.

Percentage Calculator

Calculate X% of a number.

Percentage Change

Calculate the percentage change between two values.

Percentage of

Calculate what percent X is of Y.

Prime Number Check

Check if a number is prime.

Prime Numbers List

List all prime numbers up to N.

Roman Numeral

Convert between numbers and Roman numerals.

Round Number

Round a number to N decimal places.

Scientific Notation

Convert a number to scientific notation.

Simple Interest

Calculate simple interest on a principal.

Slope Calculator

Calculate the slope between two points.

Sphere Volume

Calculate the volume of a sphere.

Square Calculator

Calculate the square of a number (x²).

Standard Deviation

Calculate the standard deviation.

Tip Calculator

Calculate a tip and split the bill.

Trigonometry Calculator

Calculate sin, cos and tan of an angle.

Variance

Calculate the variance of numbers.

Absolute Value

Calculate the absolute value of a number.

Future Value of Annuity

Calculate the future value of an annuity.

Antilogarithm

Calculate the antilogarithm (10ˣ).

Arithmetic Sequence

Generate an arithmetic sequence.

Armstrong Number Check

Check if a number is an Armstrong number.

Basis Points Converter

Convert between percent and basis points.

Binary Addition

Add two binary numbers.

CAGR Calculator

Calculate compound annual growth rate.

Ceiling & Floor

Calculate ceiling and floor of a number.

Circle Calculator

Calculate area and circumference of a circle.

Coefficient of Variation

Calculate the coefficient of variation.

Combination (nCr)

Calculate combinations nCr.

Confidence Interval

Calculate a 95% confidence interval.

Correlation Coefficient

Calculate Pearson correlation between two datasets.

Credit Card Payoff

Calculate time to pay off a credit card.

Cube Calculator

Calculate the cube of a number (x³).

Cube Root

Calculate the cube root of a number.

Cylinder Volume

Calculate the volume of a cylinder.

Decimal to Percent

Convert a decimal to a percentage.

Digit Sum

Calculate the sum of a number's digits.

Distance Between Points

Calculate distance between two points.

Divisibility Check

Check if a number is divisible by another.

Effective Interest Rate

Calculate effective annual interest rate.

Even or Odd

Check if a number is even or odd.

Factors Finder

List all factors of a number.

Fraction to Decimal

Convert a fraction to a decimal.

Geometric Mean

Calculate the geometric mean.

Geometric Sequence

Generate a geometric sequence.

GPA Calculator

Calculate GPA from grades and credits.

Gross Profit

Calculate gross profit.

Half-Life Calculator

Calculate remaining amount after time.

Harmonic Mean

Calculate the harmonic mean.

Hex Addition

Add two hexadecimal numbers.

Right Triangle Calculator

Calculate triangle sides from angle and side.

Inflation Calculator

Calculate future value adjusted for inflation.

Interquartile Range

Calculate the interquartile range (IQR).

Linear Regression

Calculate linear regression (y = mx + b).

Logarithm

Calculate logarithms in any base.

Midpoint Calculator

Find the midpoint between two points.

Modulo Calculator

Calculate the remainder of a division.

Net Profit

Calculate net profit.

Nth Root Calculator

Calculate the nth root of a number.

Odds Calculator

Convert between probability and odds.

Percent Error

Calculate percent error between measured and actual.

Percent to Decimal

Convert a percentage to a decimal.

Percentile Calculator

Calculate the percentile of a value in a dataset.

Perfect Number Check

Check if a number is perfect.

Permutation (nPr)

Calculate permutations nPr.

Permutation with Repetition

Calculate permutations with repetition (n^r).

Exponent Calculator

Raise a base to an exponent.

Prime Factorization

Find the prime factors of a number.

Probability Calculator

Calculate probability from favorable and total.

Product of Numbers

Multiply a list of numbers.

Proportion Solver

Solve a proportion a/b = c/x.

Pythagorean Theorem

Find the hypotenuse of a right triangle.

Quadratic Equation Solver

Solve ax² + bx + c = 0.

Quartiles Calculator

Calculate Q1, Q2 and Q3.

Range Calculator

Find the range (max - min) of numbers.

Ratio Simplifier

Simplify a ratio to its lowest terms.

Ratio to Percent

Convert a ratio to a percentage.

Reciprocal

Calculate the reciprocal (1/x).

Rectangle Area

Calculate the area of a rectangle.

Rule of 72

Estimate years to double an investment.

Savings Goal

Calculate months to reach a savings goal.

Selling Price Calculator

Calculate selling price from cost and markup.

Significant Figures

Round a number to N significant figures.

Subtract Percentage

Subtract a percentage from a number.

Sum of Numbers

Add up a list of numbers.

Triangle Area

Calculate the area of a triangle.

Truncate Number

Truncate a number to N decimals (no rounding).

Weighted Average

Calculate a weighted average.

Weighted Grade Calculator

Calculate weighted final grade.

Z-Score Calculator

Calculate the z-score of a value.